Data Structures Contracts in the City of London

Data Structures
Central London > City of London

The table below looks at the prevalence of the term Data Structures in contract job vacancies in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that cited Data Structures over the 6 months leading up to 19 July 2025, comparing them to the same period in the previous two years.

6 months to
19 Jul 2025
Same period 2024 Same period 2023
Rank 102 92 136
Rank change year-on-year -10 +44 +19
Contract jobs citing Data Structures 25 35 30
As % of all contract jobs advertised in the City of London 1.33% 1.64% 0.88%
As % of the Miscellaneous category 3.66% 5.12% 2.62%
Number of daily rates quoted 17 20 15
10th Percentile £408 £503 £450
25th Percentile £475 £560 £513
Median daily rate (50th Percentile) £625 £710 £575
Median % change year-on-year -11.97% +23.48% -2.13%
75th Percentile £680 £727 £804
90th Percentile £805 £831 £845
Central London median daily rate £625 £710 £575
% change year-on-year -11.97% +23.48% -2.13%

All Generic Skills
City of London

Data Structures falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills in the City of London.

Contract vacancies with a requirement for generic IT skills 683 684 1,147
As % of all contract IT jobs advertised in the City of London 36.43% 31.96% 33.48%
Number of daily rates quoted 454 447 768
10th Percentile £352 £294 £313
25th Percentile £463 £431 £495
Median daily rate (50th Percentile) £600 £575 £615
Median % change year-on-year +4.35% -6.50% +5.13%
75th Percentile £700 £700 £750
90th Percentile £807 £843 £858
Central London median daily rate £580 £575 £600
% change year-on-year +0.87% -4.17% +4.35%
Number of hourly rates quoted 8 8 13
10th Percentile £16.90 £12.75 £17.33
25th Percentile £20.77 £15.19 £35.00
Median hourly rate £32.50 £25.00 £53.00
Median % change year-on-year +30.00% -52.83% +11.58%
75th Percentile £71.37 £32.81 £88.30
90th Percentile £92.13 £62.93 -
Central London median hourly rate £29.07 £23.80 £37.42
% change year-on-year +22.14% -36.39% -21.23%

Data Structures
Job Vacancy Trend in the City of London

Job postings citing Data Structures as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Data Structures in the City of London

Data Structures
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Data Structures in the City of London.

Daily rate trend for Data Structures in the City of London

Data Structures
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Data Structures in the City of London over the 6 months to 19 July 2025.

Daily rate histogram for Data Structures in the City of London

Data Structures
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Data Structures in the City of London.

Hourly rate trend for Data Structures in the City of London

Data Structures
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (12.00%) Apache Spark
2 2 (8.00%) Apache
2 2 (8.00%) Jupyter
3 1 (4.00%) CMS
3 1 (4.00%) SharePoint
3 1 (4.00%) Umbraco
Applications
1 2 (8.00%) Microsoft Excel
Business Applications
1 3 (12.00%) Dynamics CRM
2 1 (4.00%) Endur
Cloud Services
1 6 (24.00%) Power Platform
2 4 (16.00%) Azure
3 3 (12.00%) Dynamics 365
4 2 (8.00%) PowerApps
5 1 (4.00%) Azure Data Factory
5 1 (4.00%) Azure DevOps
5 1 (4.00%) GCP
5 1 (4.00%) Microsoft 365
5 1 (4.00%) Power Automate
Communications & Networking
1 2 (8.00%) SSH
Database & Business Intelligence
1 6 (24.00%) NoSQL
2 5 (20.00%) Relational Database
3 4 (16.00%) Power BI
4 3 (12.00%) SQL Server
5 2 (8.00%) Apache Hive
5 2 (8.00%) Azure SQL Database
5 2 (8.00%) CockroachDB
5 2 (8.00%) Data Warehouse
5 2 (8.00%) DB2
5 2 (8.00%) Delta Lake
5 2 (8.00%) Hadoop
5 2 (8.00%) KDB
5 2 (8.00%) MemSQL
5 2 (8.00%) MongoDB
5 2 (8.00%) MySQL
5 2 (8.00%) PostgreSQL
5 2 (8.00%) Sybase IQ
6 1 (4.00%) Big Data
6 1 (4.00%) Oracle BI Publisher
6 1 (4.00%) Tableau
Development Applications
1 4 (16.00%) JIRA
2 2 (8.00%) Git
2 2 (8.00%) RStudio
3 1 (4.00%) Cucumber
3 1 (4.00%) JMeter
3 1 (4.00%) MLflow
3 1 (4.00%) Selenium
3 1 (4.00%) WebDriver
General
1 11 (44.00%) Social Skills
2 8 (32.00%) Finance
3 7 (28.00%) Analytical Skills
4 2 (8.00%) Banking
4 2 (8.00%) Financial Institution
4 2 (8.00%) Front Office
4 2 (8.00%) Marketing
5 1 (4.00%) Back Office
5 1 (4.00%) Public Sector
Job Titles
1 5 (20.00%) Analyst
1 5 (20.00%) Developer
2 3 (12.00%) Data Analyst
2 3 (12.00%) Java Developer
2 3 (12.00%) Junior
3 2 (8.00%) Architect
3 2 (8.00%) Business Analyst
3 2 (8.00%) Data Engineer
3 2 (8.00%) Enterprise Architect
3 2 (8.00%) Junior Architect
3 2 (8.00%) Lead
3 2 (8.00%) Software Developer
3 2 (8.00%) Technical Leader
4 1 (4.00%) Dynamics 365 CRM Developer
4 1 (4.00%) Dynamics 365 Developer
4 1 (4.00%) Dynamics 365 Specialist
4 1 (4.00%) Platform Specialist
4 1 (4.00%) Power Platform Specialist
4 1 (4.00%) Report Specialist
4 1 (4.00%) Senior
Libraries, Frameworks & Software Standards
1 3 (12.00%) JSON
1 3 (12.00%) REST
2 2 (8.00%) CSS
2 2 (8.00%) HTML
2 2 (8.00%) pydantic
2 2 (8.00%) PySpark
2 2 (8.00%) SOAP
2 2 (8.00%) Spring
2 2 (8.00%) YAML
3 1 (4.00%) .NET
3 1 (4.00%) Gherkin
3 1 (4.00%) jQuery
3 1 (4.00%) Middleware
3 1 (4.00%) Pandas
3 1 (4.00%) PyTorch
3 1 (4.00%) scikit-learn
3 1 (4.00%) TensorFlow
3 1 (4.00%) Web Services
Miscellaneous
1 7 (28.00%) Algorithms
2 5 (20.00%) Enterprise Software
3 2 (8.00%) Fixed Income
3 2 (8.00%) Linux Command Line
3 2 (8.00%) Private Cloud
3 2 (8.00%) Product Ownership
3 2 (8.00%) Public Cloud
3 2 (8.00%) Reference Data
3 2 (8.00%) Replication
4 1 (4.00%) Analytical Mindset
4 1 (4.00%) Derivative
4 1 (4.00%) Distributed Systems
4 1 (4.00%) Foreign Exchange (FX)
4 1 (4.00%) Hedge funds
4 1 (4.00%) Interest Rate Derivative
4 1 (4.00%) Low-Code
4 1 (4.00%) Team-Oriented Environment
Operating Systems
1 6 (24.00%) Linux
2 2 (8.00%) Unix
3 1 (4.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 13 (52.00%) Problem-Solving
2 8 (32.00%) Software Engineering
3 7 (28.00%) Data Analysis
4 6 (24.00%) Agile
5 5 (20.00%) Computer Science
6 4 (16.00%) Data Management
7 3 (12.00%) Analytics
7 3 (12.00%) Business Intelligence
7 3 (12.00%) Continuous Integration
7 3 (12.00%) CRM
7 3 (12.00%) DevOps
7 3 (12.00%) SDLC
7 3 (12.00%) Stakeholder Management
7 3 (12.00%) User Acceptance Testing
7 3 (12.00%) User Experience
8 2 (8.00%) Data Governance
8 2 (8.00%) Database Security
8 2 (8.00%) Low Latency
8 2 (8.00%) Performance Analysis
8 2 (8.00%) Performance Engineering
Programming Languages
1 16 (64.00%) SQL
2 9 (36.00%) Python
3 4 (16.00%) Java
3 4 (16.00%) JavaScript
4 2 (8.00%) Bash
4 2 (8.00%) C#
4 2 (8.00%) Scala
4 2 (8.00%) Shell Script
5 1 (4.00%) C
5 1 (4.00%) C++
5 1 (4.00%) R
Qualifications
1 5 (20.00%) Degree
2 3 (12.00%) Computer Science Degree
3 2 (8.00%) Security Cleared
4 1 (4.00%) Microsoft Certification
4 1 (4.00%) PhD
4 1 (4.00%) SC Cleared
Quality Assurance & Compliance
1 3 (12.00%) GDPR
2 2 (8.00%) Accessibility
2 2 (8.00%) QA
3 1 (4.00%) Data Quality
System Software
1 1 (4.00%) Docker
Systems Management
1 2 (8.00%) Ansible
1 2 (8.00%) Kubernetes
2 1 (4.00%) Kubeflow
Vendors
1 4 (16.00%) Oracle
2 3 (12.00%) Microsoft
3 2 (8.00%) Databricks
3 2 (8.00%) ION Trading
3 2 (8.00%) Red Hat
4 1 (4.00%) Google
4 1 (4.00%) OpenLink
4 1 (4.00%) OutSystems
4 1 (4.00%) SAP
4 1 (4.00%) Workday